St. Charles Parish, LA Climate

The climate in St. Charles, LA County is typically mild and humid through most of the year. Winters are usually cool and wet, with temperatures rarely dropping below freezing. Summers tend to be hot and humid, with temperatures often reaching into the 90's. The spring and fall months bring pleasant weather with plenty of sunshine. Rainfall is abundant throughout the year, making St. Charles an ideal place for a variety of outdoor activities such as camping, hiking, or fishing.

St. Charles County, Louisiana gets 63 inches of rain, on average, per year. The US average is 38 inches of rain per year.

St. Charles County averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 219 sunny days per year in St. Charles County. The US average is 205 sunny days.

St. Charles County gets some kind of precipitation, on average, 106 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 92 degrees
Winter Low: the January low is 44
Rain: averages 63 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for St. Charles Parish is 6.7 (10=best), which means it is less comfortable than most places in Louisiana.

2.3 Summer - 8.2 Winter

April, October and November are the most pleasant months in St. Charles Parish, while July and August are the least comfortable months.

Climate	St. Charles, Louisiana	United States
	Unlock	38.1 in.
	0.0 in.	Unlock
	Unlock	106.2 days
	219 days	Unlock
	91.6°	85.8°
	Unlock	21.7°
	6.7	Unlock
	Unlock	4.3
	4 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for St. Charles Parish with an average high temperature of 91.6°, which ranks it as cooler than most places in Louisiana. In St. Charles Parish, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Charles Parish are April, October and November.

In St. Charles Parish, there are 76.8 days annually when the high temperature is over 90°, which is about average compared to other places in Louisiana.

January has the coldest nighttime temperatures for St. Charles Parish with an average of 44.0°. This is one of the warmest places in Louisiana.

In St. Charles Parish, there are 6.9 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Louisiana.

In St. Charles Parish, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Louisiana.

Humidity in St. Charles Parish can be oppressive in the summer, but pleasant for much of the year. The humidity here has been described as stifling in July and August. The humid season extends from May-October and the most comfortable months are November-April.

June is the wettest month in St. Charles Parish with 7.5 inches of rain, and the driest month is October with 4.0 inches. The wettest season is Autumn with 32% of yearly precipitation and 21% occurs in Winter, which is the driest season. The annual rainfall of 63.4 inches in St. Charles Parish means that it is wetter than most places in Louisiana.

July is the rainiest month in St. Charles Parish with 13.1 days of rain, and April is the driest month with only 6.1 rainy days. There are 105.6 rainy days annually in St. Charles Parish, which is rainier than most places in Louisiana. The rainiest season is Autumn when it rains 35% of the time and the driest is Summer with only a 19% chance of a rainy day.

There is rarely any recorded snowfall in St. Charles Parish, ranking it as one of the least snowy places in Louisiana. Any measurable snowfall is a rare occurance in St. Charles Parish.

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